<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
		#home{
			width: 100%;
			height: 100px;
		}
		#happy div{
			height: 50px;
			width: 50px;
			background: coral;
			animation: happy 3s infinite;
		}
		@keyframes happy{
			0%{
				background: lightgreen;
			}
			100%{
				background: lightpink;
			}
		}
		</style>
	</head>
	<body>
		<div id="home">
			<div id="happy">
				<div>
					
				</div>
			</div>
		</div>
	</body>
</html>
